These entries are queried from radb.net using whois, you can try my project getting these.
:AS29258 route: 193.203.100.0/23 descr: JETINFO-NET origin: AS29258 notify: ncc [at] demos.net mnt-by: AS2578-MNT mnt-routes: AS2578-MNT created: 2008-06-02T15:01:12Z last-modified: 2008-06-02T15:01:12Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.203.100.0/24 origin: AS29258 descr: JETINFO-NET notify: jnoc [at] jet.su mnt-by: AS2578-MNT created: 2022-01-18T13:33:06Z last-modified: 2022-01-18T13:33:06Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.203.101.0/24 origin: AS29258 descr: JETINFO-NET notify: jnoc [at] jet.su mnt-by: AS2578-MNT created: 2022-01-18T13:34:17Z last-modified: 2022-01-18T13:34:17Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source